<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true" :model="filters">
        <el-form-item>
          <el-input v-model="filters.keyword" placeholder="关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="search">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表-->
    <el-table :data="departments" highlight-current-row v-loading="listLoading"
              @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="name" label="名称" width="120" sortable>
      </el-table-column>
      <el-table-column prop="sn" label="编号" width="80" sortable>
      </el-table-column>
      <el-table-column prop="dirPath" label="上级部门层级ID" width="160" sortable>
      </el-table-column>
      <el-table-column prop="state" label="状态" width="100" sortable>
        <template scope="scope">
          <span style="color: green" v-if="scope.row.state == 0">正常</span>
          <span style="color: red" v-else-if="scope.row.state == -1">禁用</span>
          <span style="color: grey" v-else>未知</span>
        </template>
      </el-table-column>
      <el-table-column prop="manager.username" label="部门管理员" width="120" sortable>
      </el-table-column>
      <el-table-column prop="department.name" label="上级部门" sortable>
      </el-table-column>
      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next"
                     @current-change="handleCurrentChange"
                     :page-size="pageSize"
                     :current-page="currentPage"
                     :total="total"
                     style="float:right;">
      </el-pagination>
    </el-col>

    <!--编辑界面-->
    <el-dialog :title="myTitle" :visible.sync="editFormVisible" :close-on-click-modal="false">
      <el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
        <el-form-item label="姓名" prop="name">
          <el-input v-model="editForm.name" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="编号" prop="sn">
          <el-input v-model="editForm.sn" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="状态">
          <el-radio-group v-model="editForm.state">
            <el-radio class="radio" :label="0">正常</el-radio>
            <el-radio class="radio" :label="-1">禁用</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="管理员">
<!--          <el-input v-model="editForm.manager"></el-input>-->
          <el-select v-model="editForm.manager" value-key="id" placeholder="请选择">
            <el-option
                v-for="item in employees"
                :key="item.id"
                :label="item.username"
                :value="item">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.email }}</span>
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="上级部门">
<!--          <el-input v-model="editForm.department"></el-input>-->
          <el-cascader
              v-model="editForm.department"
              :options="deptTree"
              :props="{
                checkStrictly:true,
                value:'id',
                label:'name'
              }"
              clearable></el-cascader>
        </el-form-item>
      </el-form>

      <div slot="footer" class="dialog-footer">
        <el-button @click.native="editFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
      </div>
    </el-dialog>

  </section>
</template>

<script>
import util from '../../common/js/util'
//import NProgress from 'nprogress'
import { getDepartmentListPage, removeDepartment, batchRemoveDepartment, editDepartment, addDepartment } from '../../api/api';

export default {
  data() {
    return {
      myTitle: "",
      filters: {
        keyword: ''  //关键字查询
      },
      departments: [],
      employees: [],//管理员集合
      deptTree:[],//上级部门
      total: 0,
      pageSize: 5,
      currentPage: 1,
      listLoading: false,
      sels: [],//当前列表选中的所有行

      editFormVisible: false,//编辑界面是否显示
      editLoading: false,
      editFormRules: {
        name: [
          {required: true, message: '请输入姓名', trigger: 'blur'}
        ]
      },
      //编辑界面数据
      editForm: {
        id: null,
        name: "",
        sn: "",
        state: 0,
        manager: null,
        department: null,
        dirPath: ""
      }

    }
  },
  methods: {
    search() {//高级查询一定要定位到第一页
      this.currentPage = 1;
      this.getDepartments();
    },
    handleCurrentChange(val) {
      this.currentPage = val;
      this.getDepartments();
    },
    //获取部门列表
    getDepartments() {
      let para = {
        currentPage: this.currentPage,
        pageSize: this.pageSize,
        keyword: this.filters.keyword
      };
      this.listLoading = true;//开启列表忙等
      this.$http.post("/dept", para)
          .then(result => {
            this.listLoading = false;//关闭列表忙等
            result = result.data;//PageList
            this.departments = result.rows;
            this.total = result.total;
          })
          .catch(result => {
            console.log(result);
            this.$message({
              message: '系统繁忙，稍后重试！',
              type: 'error'
            });
          })
    },
    //删除
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '温馨提示', {
        type: 'warning'
      }).then(() => {//确定
        this.listLoading = true;//开启列表加载忙等
        this.$http.delete("/dept/" + row.id)//http://localhost:8080/dept/1
            .then(result => {
              this.listLoading = false;//关闭列表加载忙等
              result = result.data;//AjaxResult
              if (!result.success) {
                this.$message({
                  message: result.message,
                  type: 'error'
                });
              }
              //数据删除要定位到第一页
              this.currentPage = 1;
              this.getDepartments();
            })
            .catch(result => {
              console.log(result);
              this.$message({
                message: '系统繁忙，稍后重试！',
                type: 'error'
              });
            })
      }).catch(() => {//取消

      });
    },
    //显示编辑界面
    handleEdit: function (index, row) {
      this.myTitle = "编辑";
      this.editFormVisible = true;
      this.getDeptTree();
      //克隆  用于回显
      this.editForm = Object.assign({}, row);
      //判断当前数据dirPath是否为空,不为空在进行转换
      let dirPath = this.editForm.dirPath;
      if (dirPath.lastIndex("/")!==0){
        //使用"/"进行分割
        let arr = dirPath.split("/");//["","2","5","8"]
        //处理分割之后数组多出的第一个数据
        let parents = [];
        for(let i = 1;i<arr.length-1;i++){
          //回显的数据要是是数字,但是我们的数据是字符串,所以使用parseInt()方法格式化成数字
          parents.push(parseInt(arr[i]));
        }
        this.editForm.department = parents;
      }else {
        this.editForm.department=null;
      }
    },
    //显示新增界面
    handleAdd: function () {
      this.getDeptTree();
      this.myTitle = "新增";
      this.editFormVisible = true;
      this.editForm = {//重置表单
        id: null,
        name: "",
        sn: "",
        state: 0,
        manager: null,
        department: null,
        dirPath: ""
      };
    },
    //编辑
    editSubmit: function () {
      this.$refs.editForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            this.editLoading = true;
            //NProgress.start();
            let para = Object.assign({}, this.editForm);
            if (para.department){
              para.department = {"id":para.department[para.department.length-1]};
            }
            this.$http.put("/dept", para)
                .then(result => {
                  this.editLoading = false;
                  // 2.关闭弹出框
                  this.editFormVisible = false;
                  // 3.获取后端传递的AjaxResult对象
                  result = result.data;
                  // 4.判断删除是否成功
                  if (result.success) {
                    // 删除成功
                    // 1.给出成功提示
                    this.$message({
                      message: result.message,
                      type: 'success'
                    });
                    // 2.修改页码为第一页
                    this.currentPage = 1;
                    this.filters.keyword = "";
                    // 3.调用函数刷新列表
                    this.getDepartments();
                  } else {
                    // 删除失败
                    // 删除成功
                    // 1.给出失败提示
                    this.$message({
                      message: result.message,
                      type: 'error'
                    });
                    // 2.修改页码为第一页
                    this.currentPage = 1;
                    // 3.调用函数刷新列表
                    this.getDepartments();
                  }
                })
                .catch(result => { // 接口调用失败
                  // 1.关闭忙等框
                  this.listLoading = false;
                  // 2.给出自定义失败提示！
                  this.$message({
                    message: '系统繁忙，请重试！',
                    type: 'error'
                  });

                })
          });
        }
      });
    },


    selsChange: function (sels) {//当前页面，所有选中的行的数据
      this.sels = sels;//把当前选中的所有行的数据，绑定给模型层，一会儿批量删除的时候用
    },
    //批量删除
    batchRemove: function () {
      //拿到当前选中的所有行的id，传给后端批量删除
      // [1,2,3]  .toString() --> "1,2,3"
      var ids = this.sels.map(item => item.id);//删除了toString
      this.$confirm('确认删除选中记录吗？', '温馨提示', {
        type: 'warning'
      }).then(() => {//确定删除
        this.listLoading = true;
        //NProgress.start();
        let para = {ids: ids};
        this.$http.delete("/dept", {data: para.ids})
            .then(result => {
              this.listLoading = false;
              result = result.data;//AjaxResult
              if (!result.success) {
                this.$message({
                  message: result.message,
                  type: 'error'
                });
              }
              //数据删除要定位到第一页
              this.currentPage = 1;
              this.getDepartments();
            })
            .catch(result => {
              console.log(result);
              this.$message({
                message: '系统繁忙，稍后重试！',
                type: 'error'
              });
            })
      }).catch(() => {

      });
    },
    getEmployees() {
      this.$http.get("/employee")
          .then(result => {
            this.employees = result.data;
          })
          .catch(result => {

          })
    },
    getDeptTree() {
      this.$http.get("/dept/tree")
          .then(result => {
            this.deptTree = result.data;
          })
          .catch(result => {

          })
    },
  },


  mounted() {
    this.getDepartments();
    this.getEmployees();
  }
}

</script>

<style scoped>

</style>